00387nam a2200157Ia 4500008004100000020001400041041001200055082001600067100001900083245005700102250000800159260002100167300000800188650001700196700001600213221030s9999    xx            000 0 und d  a812032063  aEnglish  a105.23bPet  aH. C. Petersen 0aManagerial Economicscby H. C. Petersen, W. C. Lewis  a4th  bPHIaDelhic2006  a672  aBE Economics  aW. C. Lewis